A method is provided for verifying an authenticity of a payment terminal, implemented by using of a device for verifying authenticity. The method includes: transmitting to the payment terminal a request for obtaining a piece of identification data by using of a contactless communications interface; receiving a response, through said contactless communications interface and coming from the payment terminal, to said request for obtaining a piece of identification data; comparing a field of said response with at least one piece of pre-recorded identification data; when the field includes a piece of identification data identical to said at least one piece of pre-recorded identification data, for issuing an assertion of authenticity of said payment terminal; when the field comprises a piece of identification data different from said at least one piece of pre-recorded identification data, issuing a piece of information on absence of authentication of the payment terminal.